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LiAlO2 substrate

LiAlO2 substrate

 

Major capability parameter
Crystal structure
Tetragonal system
Lattice constant
a=5.17 A    c=6.26 A
Melt point(℃)
1900
Density
2.62(g/cm3)
Hardness
7.5(mohs)
Standard Size (mm)
10x3,10x5,10x10,15x15,,20x15,20x20,
Ф20mm,Ф1″,Ф2″,
Thickness
0.5mm,1.0mm
Polishing
Single or double side polished
Crystal Orientation
<100>, <001>, <110>
Orientation accuracy
±0.5°
Edge Orientation accuracy:
2°(special in 1°)
Other angle of crystal
Special size and orientation are available upon request
Roughness(Ra):
≤5Å(5µm×5µm)
Packing
100 clean bag,1000 exactly clean bag


Lithium Aluminate single crystal with lower lattice mismatch rate to Gallium Nitride,  Thus becoming a high-quality substrate material of gallium nitride film, A potential film substrate material of  the III-V group nitride.

 
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